Muscle stimulator



FIG. 1 is a perspective view of a muscle stimulator showing my newdesign;

FIG. 2 is a right side elevational view thereof, the left sideelevational view being identical;

FIG. 3 is a top view thereof, the bottom view, the front elevationalview, and the rear elevational view being identical;

FIG. 4 is a perspective view of a second embodiment thereof;

FIG. 5 is a right side elevational view of the second embodiment, theleft side elevational view being identical; and,

FIG. 6 is a top view of the second embodiment, the bottom view, thefront elevational view, and the rear elevational view being identical.

The ornamental design for a muscle stimulator, as shown and described.